title: Response to Fajgenbaum.
authors.affiliation: Royal Bolton Hospital, Bolton, UK.
authors.forename: A J
authors.initials: AJ
authors.lastname: Davies
authors.affiliation: Royal Bolton Hospital, Bolton, UK.
authors.forename: S P
authors.initials: SP
authors.lastname: Kelly
authors.affiliation: St James's University Hospital, Leeds, UK.
authors.forename: S G
authors.initials: SG
authors.lastname: Naylor
authors.affiliation: Royal Bolton Hospital, Bolton, UK.
authors.forename: P R
authors.initials: PR
authors.lastname: Bhatt
authors.affiliation: H M Stanley Hospital, Betsi Cadwaladr University Health Board, St Asaph, UK.
authors.forename: J P
authors.initials: JP
authors.lastname: Mathews
authors.affiliation: Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK.
authors.forename: J
authors.initials: J
authors.lastname: Sahni
authors.affiliation: H M Stanley Hospital, Betsi Cadwaladr University Health Board, St Asaph, UK.
authors.forename: R
authors.initials: R
authors.lastname: Haslett
authors.affiliation: St James's University Hospital, Leeds, UK.
authors.forename: M
authors.initials: M
authors.lastname: McKibbin
mesh_terms: D005260:Female; D006801:Humans; D013287:Illicit Drugs / Q000009:adverse effects*; D008297:Male; D012164:Retinal Diseases / Q000139:chemically induced*; D055211:Retinal Photoreceptor Cell Inner Segment / Q000187:drug effects*; D055214:Retinal Photoreceptor Cell Outer Segment / Q000187:drug effects*; D014665:Vasodilator Agents / Q000009:adverse effects*; D014786:Vision Disorders / Q000139:chemically induced*
chemical_list: D013287:Illicit Drugs; D014665:Vasodilator Agents